machine and revert back to that state, if necessary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the presents to a virtual machine. This is explained in the next section. 5.1 Hard Disk Controllers In a computing device, hard disks and CD/DVD drives are connected to a device called a hard disk controller, which Oracle VirtualBox can emulate the most common types of hard disk controllers typically found in computing devices: IDE, SATA (AHCI), SCSI, SAS, USB-based, NVMe and virtio-scsi mass storage devices. • IDE

44 X Direct Rendering Infrastructure (DRI) 2 Extension License . . . . . . 468 16.2.45 Network Computing Devices and DEC License . . . . . . . . . . . . . . 469 16.2.46 MIT Open Group Variant License 2.58 Network Computing Devices (NCD) License (variant 1) . . . . . . . . . 473 16.2.59 Network Computing Devices (NCD) License (variant 2) . . . . . . . . . 473 16.2.60 Network Computing Devices (NCD) machine and revert back to that state, if necessary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the

44 X Direct Rendering Infrastructure (DRI) 2 Extension License . . . . . . 490 16.2.45 Network Computing Devices and DEC License . . . . . . . . . . . . . . 491 16.2.46 MIT Open Group Variant License 2.58 Network Computing Devices (NCD) License (variant 1) . . . . . . . . . 495 16.2.59 Network Computing Devices (NCD) License (variant 2) . . . . . . . . . 495 16.2.60 Network Computing Devices (NCD) machine and revert back to that state, if nec- essary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the

44 X Direct Rendering Infrastructure (DRI) 2 Extension License . . . . . . 494 17.2.45 Network Computing Devices and DEC License . . . . . . . . . . . . . . 495 17.2.46 MIT Open Group Variant License 2.58 Network Computing Devices (NCD) License (variant 1) . . . . . . . . . 499 17.2.59 Network Computing Devices (NCD) License (variant 2) . . . . . . . . . 499 17.2.60 Network Computing Devices (NCD) machine and revert back to that state, if nec- essary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the

44 X Direct Rendering Infrastructure (DRI) 2 Extension License . . . . . . 493 17.2.45 Network Computing Devices and DEC License . . . . . . . . . . . . . . 494 17.2.46 MIT Open Group Variant License 2.58 Network Computing Devices (NCD) License (variant 1) . . . . . . . . . 498 17.2.59 Network Computing Devices (NCD) License (variant 2) . . . . . . . . . 498 17.2.60 Network Computing Devices (NCD) machine and revert back to that state, if nec- essary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the

44 X Direct Rendering Infrastructure (DRI) 2 Extension License . . . . . . 491 16.2.45 Network Computing Devices and DEC License . . . . . . . . . . . . . . 492 16.2.46 MIT Open Group Variant License 2.58 Network Computing Devices (NCD) License (variant 1) . . . . . . . . . 496 16.2.59 Network Computing Devices (NCD) License (variant 2) . . . . . . . . . 496 16.2.60 Network Computing Devices (NCD) machine and revert back to that state, if nec- essary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the

44 X Direct Rendering Infrastructure (DRI) 2 Extension License . . . . . . 496 17.2.45 Network Computing Devices and DEC License . . . . . . . . . . . . . . 497 17.2.46 MIT Open Group Variant License 2.58 Network Computing Devices (NCD) License (variant 1) . . . . . . . . . 501 17.2.59 Network Computing Devices (NCD) License (variant 2) . . . . . . . . . 501 17.2.60 Network Computing Devices (NCD) machine and revert back to that state, if nec- essary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the

44 X Direct Rendering Infrastructure (DRI) 2 Extension License . . . . . . 490 16.2.45 Network Computing Devices and DEC License . . . . . . . . . . . . . . 491 16.2.46 MIT Open Group Variant License 2.58 Network Computing Devices (NCD) License (variant 1) . . . . . . . . . 495 16.2.59 Network Computing Devices (NCD) License (variant 2) . . . . . . . . . 495 16.2.60 Network Computing Devices (NCD) machine and revert back to that state, if nec- essary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the

machine and revert back to that state, if necessary. This way, one can freely experiment with a computing environment. If something goes wrong, such as prolems after installing software or infecting the presents to a virtual machine. This is explained in the next section. 5.1 Hard Disk Controllers In a computing device, hard disks and CD/DVD drives are connected to a device called hard disk controller which Oracle VM VirtualBox can emulate the most common types of hard disk controllers typically found in computing devices: IDE, SATA (AHCI), SCSI, SAS, USB-based, NVMe and virtio-scsi mass storage devices. • IDE

machine and revert back to that state, if necessary. This way, one can freely experiment with a computing environment. If something goes wrong, such as problems after installing software or infecting the presents to a virtual machine. This is explained in the next section. 5.1 Hard Disk Controllers In a computing device, hard disks and CD/DVD drives are connected to a device called a hard disk controller, which Oracle VM VirtualBox can emulate the most common types of hard disk controllers typically found in computing devices: IDE, SATA (AHCI), SCSI, SAS, USB-based, NVMe and virtio-scsi mass storage devices. • IDE